Home / 757,781,137.43-1,045,726,840.53-423,258,541.78

Finding the Fourth Proportional to 757,781,137.43, 1,045,726,840.53 and 423,258,541.78

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Solution

The fourth proportional to 757,781,137.43, 1,045,726,840.53 and 423,258,541.78 is: 584,090,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,781,137.43 : 1,045,726,840.53 = 423,258,541.78 : x
  2. Step 2: Convert to fraction form
    757,781,137.43/1,045,726,840.53 = 423,258,541.78/x
  3. Step 3: Cross multiply
    757,781,137.43x = 1,045,726,840.53 × 423,258,541.78
  4. Step 4: Simplify right side
    757,781,137.43x = 442,612,817,625,849,920
  5. Step 5: Solve for x
    x = 442,612,817,625,849,920/757,781,137.43
  6. Step 6: Final answer
    x = 584,090,571.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.